abbreviationspowergrid

8/7/2019 AbbreviationsPowergrid

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Abbrevations in POWERGRID

1 AAACAll Aluminum Alloy Conductor

Type of Conductor

2 AACSRAluminum Alloy Conductor Steel Reinforced

Type of Conductor

3 ABCB

Air Blast Circuit BreakerA Circuit Breaker using compressed air foroperation and arc quenching

4 ABTAvailability Based Tariff

The revised tariff guidelines based on the actual

availability of unit/system

5 ACAlternating Current

Type of Current

6

ACDBAC Distribution Board

A control panel for auxiliary AC supply

7 ACSRAluminum Conductor Steel Reinforced

Type of Conductor

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8 ADBAsian Development Bank

ADB is a multilateral funding agency, primarily

engaged in development of Asian region.

9 ADJAdditional District Judge

Additional Judge in a District

10

AGAdvocate General

Law Officer of the Sate appointed by theGovernor to advise the State Govt. and toperform such other duties of legal character asmay be assigned.

11 AGIAttorney General of India

Law officer of the Country appointed by thePresident for advising the Govt of India and hasright of audience in all the courts in the territory ofIndia. He shall have the right to speak in bothhouses of the Parliament.

12

AGMAnnual General Meeting

13 AGSArmour Grip Suspension

Type of Conductor clamp

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14 AIRAll India Reporter

Name of Journal Reporting decided cases of

Supreme and High Courts in India.

15 AMSAsset Management System

A computerised database of Assets

16

APDRPAccelarated Power Development & Reformsprogramme

Scheme intiated by MoP/GoI to accelarate thepower reforms process in India

17 APED

Arunachal Pradesh Electricity DepartmentState Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState of Arunachal Pradesh.

18 APGENCOAndhra Pradesh Generation Corporation

A company engaged in generation of electricityin the State of Andhra Pradesh.

19 APTRANSCOAndhra Pradesh Transmission Corporation

A company engaged in tranmission & distributionof electricity in the State of Andhra Pradesh.

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20 ASEBAssam State Electricity Board

State Electricity Utility engaged in Generation,

Transmission & Distribution of electricity in theState of Assam.

21 ASGIAdditional Solicitor General of India

Law Officers associated with Solicitor General oIndia

22 ATTA type tower

Single circuit suspension tower

23 AWB

Airway BillDocuments issued by Airlines for transportationof goods

24 BBMBBhakra Beas Management Board

Harnessing the water impounded at Bhakra and

Pong and at Pandoh, delivering water and powerto the beneficiary states of Punjab, Haryana,Rajasthan & Himachal Pradesh .

25 BBSBulletin Board System

Text based message board service.

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26 BCCBlind Carbon Copy

To send a copy of an email to an invisible

recipient.

27 BCDBasic Customs Duty

Basic duty levied on imported goods asmentioned in customs tariff.

28 BDSBid Data Sheet

A section of the bidding document under WorldBank fuding which further gives specific details inrespect of certain clauses in "Instruction toBidders."

29 BDVBreak Down Voltage

The voltage at which dielectric strength vanishes.

30 BEBill of Entry

Document filed in the customs by importerregarding goods imported,duty to be paid etc

31 BEBody Extension

Type of Extension to Tower

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32 BEBudget Estimate

33 BGBank Guarantee

A Bank Guarantee obtained from the contractorfor faithful performance of contract

34

BHELBharat Heavy Electricals Ltd.

One of the leading international companies fromIndia in the field of power plant equipment, withan export presence in 60 countries & offersproducts, systems and services for core sectors:power, transmission, industry, transportation andrenewable energy.

35 BILBasic Insulation Level

36 BLBill of Lading

Document issued by Shipping lines on goodsbeing shipped

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37 BOCBid Opening Committee

Committee Constituted for opening of Bids

comprising members from Contract, Finance &Indenting deptt.

38 BODBid Opening Date

The date on which bid opens

39 BODBoard of Directors

Consists of functional as well as non-functionaldirectors of the company headed by CMD

40 BOM

Bill of Material

41 BOOTBuild, Own, Operate & Transfer

A BOOT funding model involves a singleorganisation, or consortium (BOOT provider)

designing, building, funding, owning andoperating the scheme for a defined period of timeand then transferring this ownership across to anagreed party.

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42 BOQBill of Quantities

Complete list of materials to be supplied as per

contract.

43 BPIBus Post Insulator

Insulators used for supporting Bus bars.

44

BPSBid Proposal Sheets

Post of bidding documents wherein the proposalalongwith prices & other schedule are to beobtained from bidders.

45 BPTA

Bulk Power Transmission AgreementThis agreement is signed between theContituents States & POWERGRID to ensuretimely payment of transmission tariff

46 BRMBi-Partite Review Meeting

Meeting taken by ADB twice in a year withBorrower to assess the loan utilisation,disburement, project progress etc.

47 BROBank Release Order

Request letter from the Banker for release ofgoods

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48 BSEBBihar State Electricity Board


Transmission & Distribution of electricity in theState of Bihar

49 BSESBrihanmumbai Suburban Electric Supply

BSES supplies power to the Western suburbs ofMumbai and north of Bandra.

50 BTNBackbone Telecommunication Network

Telecom network being established byPOWERGRID to interconnect variouscapitals/cities/towns

51 BTTB type tower

Single circuit tension tower

52 C/DCustoms duty

Duty levied on imported goods

53 CACompany Appeal

Appeal filed under the Companies Act

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54 CAGRCompounded Annual Growth Rate

Percentage Growth rate divided by time duration

is called as CAGR

55 CBCircuit Breaker

A device used for making/ breaking ElectricalCircuit

56 CBICentral Bureau of Investigation

The Central Govt. investigation agency of India.

57 CCCarbon Copy

Sending a copy of an e-mail to additionalrecipients.

58 CCCorporate Centre

59 CCDConcessional Custom duty

Concessions in custom duty

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60 CCEACabinet Committee on Economic Affairs

Ultimate project approving authorithy comprising

Cabinet Ministers & headed by Hon'ble PrimeMinister

61 CDA RulesConduct, Discipline and Appeal Rules

The code of conduct for employees and theelaborate procedure for taking disciplinary action

against erring employees.

62 CEACentral Electricity Authority

A body established under Section-3 of ES Act,1948 for framing National Electricity Policy,formulate short-term and perspective plans fordevelopment of the electricity system and co-

ordinate the activities of the planning agencies fooptimal utilisation

63 CSEBChattisgarh State Electricity Board

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in the

State of Chattisgarh

64 CERCCentral Electricity Regulatory Commission

Established under Section-3 of ERC Act, 1998 fodischarging functions of a regulator at theNational level ( Section 76 of the Electricty Act,2003).

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65 CFCConverter Firing Control

An electronic device used for controlling firing of

Thyristor valves in HVDC

66 CGSCentral Generating Stations

Generating stations which are under CentralSector

67 CHACustom House Agent

Liecenced agents at custom houses

68 CHFSwiss franc

Currency of Switzerland

69 CIF PriceCost, Insurance & Freight Price

The price of materials/ equipment upto the postof disembarkation which includes FOB price andcharges towards ocean Freight & Insurance

70 CIOTLCentral Insulating Oil Testing Laboratory

POWERGRID oil testing laboratory at HyderabadSubstation premises

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71 CIPCustomer Inspection Point

72 CJHCChief Justice of High Court

Chief of the High Court of State

73 CJI

Chief Justice of IndiaChief of the Apex Court of the Country

74 CMPCivil Miscellaneous Petition

Misc. Petition filed in a pending proceeding.

75 COCharged Officer

An Employee who has been issued with aCharge Sheet.

76 COD on FRs/RC

Committee of Directors on Feasibility Reports/ Revised Cost Estimates

Committee Consists of functional Directorsheaded by Dir(Oprn.), which considersFRs/RCEs before investment approval by Boardof Directors of the company

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77 Consul. Comm.Consultative Committee on Energy

Committee of MPs to suggest measures for

improvement in Indian power sector

78 CoPUCommittee on Public Undertakings

Exercises the financial control on the publicsector undertakings and examines the reportsand accounts of public undertakings

79 CPCompany Petition

Any Petition filed under the Companies Act.

80 CPC

Civil Procedure CodeA Code for regulating procedures for Civil Cases

81 CPGContract Performance Guarantee

A bank guarantee obtained from the contractorfor a value of 10% of the contract for faithful

performance of contract

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82 CPIConsumer Price Index

The All India Consumer Price Index for Industrial

Workers published in the "Index Numbers ofwhole sale Prices and Consumer Prices"published monthly by the Centre for monitoring ofthe Indian Economy.

83 Cr.P.C.Criminal Procedure Code

A Code for regulating procedures for CriminalCases

84 CRGOCold Rolled Grain Oriented

Steel used for making transformer corelaminations

85 CRISILCredit Rating Information Services of IndiaLimited

Leading credit rating agency & leading provider ofinformation services & independent reasearch

86

CRMContact Resistance Meter

An instrument to measure contact resistance ofCircuit Breakers/Isolators

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87 CSEConditions for Supervision of Erection

A section of condition of contract for supply cum

supervision of erection contract (domestic)dealing with the supervision activities.

88 CSECharge Sheeted Employee

One who have ben Served a Charge Sheet.

89 CSRControlled Shunt Reactor

A shunt reactor where reactance is controllable

90 CSTCentral Sales Tax

Tax levied and collected at the point of sale ofgoods

91 CTCurrent Transformer

CT used for measurement of current & protectionpurposes

92 CTEChief Technical Examiner

Chief Technical Examiner heads the TechnicalWing of the Central Vigilance Commission.

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93 CTTC type tower


94 CTUCentral Transmission Utility

Any Government Company notified by Govt. ofIndia under Sub-section-38, Electricity Act 2003.POWERGRID has been notified as CTU in Dec,98

95 CVCCentral Vigilance Commission

The apex anti-corruption body of India.

96 CVD

Countervaling DutyDuty levied on imported goods in lieu of Exciseduty

97 CVOChief Vigilance Officer

CVO is the head of the Vigilance Department of a

Govt. Organization.

98 CVTCapacitor Voltage Transformer

CVT is used for measurement of voltage &protection purposes

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99 CWPCivil Writ Petition

Petition filed to enforce the rights guaranteed by

Constitution through Writ Jurisdiction

100 D/CDouble Circuit

101

DADefence Assistant

One who helps the Charged Officer in theDepartmental Inquiries.

102 DATTDA type tower

Double circuit suspension tower

103 DBDivision Bench

Bench of two Judges

104

DBTTDB type tower

Double circuit B-type tension tower

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105 DCBDomestic Competitive Bidding

Bidding process in which only domestic Bidders

can apply

106 DCCTDirect Current Current Transformer

A device used for measurement of Direct Current

107

DCDBDirect Current Distribution Board

A control panel for auxiliary Direct Current supply

108 DCEData Circuit Terminating Equipment

An interface standard for the equipment which

provides the functions of interfacing data terminalequipment and a communication channel

109 DCODirect Capital Outlay

110 DCRMDynamic Contact Resistance Measurement

Condition monitoring test on Circuit Breaker tomonitor health of breaker contacts

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111 DCTTDC type tower

Double circuit C-type tension tower

112 DDDefence Documents

The document produced by the Charged Officerin his defence during Department Inquiry.

113

DDTTDD type tower

Double circuit D-type tension tower

114 DEDead end tower

115 DEMGerman mark

Currency of Germany

116 DETT

DE type towerDouble circuit E-type tension tower

117 DFRDigital Fault Recorder

Records analog and digital details during any linetripping/ disturbance

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118 DFRDry Fissured Rock

Type of Foundation

119 DGADissolved Gas Analysis

Extracted dissolved gas from Transformer oil areanalysed using gas chromatograph for findinginternal health of Transformers/ Reactors

120 DGFTDirectorate General of Foreign Trade

Under Ministry of commerce dealing with export-import policies and procedures

121 DO

Delivery OrderRequest letter from the importer for release ofgoods

122 DOPDelegation of Powers

Document stating distribution & delegation of

power at various levels

123 DOP, NagalandDepartment of Power, Nagaland

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState of Nagaland.

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124 DoTDepartment of Telecommunication

Govt. department responsible for policy

formulation, licensing, wireless spectrummanagement, administrative monitoring of PSUs,research and development andstandardization/validation of equipment etc. inTelecom sector

125 DPDisciplinary Proceedings

A Procedure laid down in CDA Rules to passpenalty orders etc. against a person who hasindulged in a misconduct.

126 DP CellDisciplinary Proceeding Cell

The Cell in the Corporate Vigilance Department

which deals with the disciplinary cases.

127 DPEDepartment of Public Enterprises

The Department of Public Enterprises acts as anodal agency for all PSEs and assists in policyformulation pertaining to the role of PSEs in the

economy as also in laying down policy guidelineson performance improvement and evaluation,financial accounting, personnel management andin related areas.

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128 DRDisturbance Recorder

Records analog and digital details during any line

tripping/ disturbance installed at Substation

129 DRSData Requirement Sheets

Section of bidding document through whichtechnical details of the equipment/ materials areobtained.

130 DTDouble Tension

Configuration of Insulator String

131 DTE

Data Terminal EquipmentA hardware specification for the equipment whichprovides the function of interfacing between dataterminal equipment and a communicationschannel. DTE are normally terminals or intelligentprocessors

132 DTTD type tower


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133 DVBDelhi Vidyut Board


Transmission & Distribution of electricity in theNational Capital Terriotory of Delhi.

134 DVCDamodar Valley Corporation(DVC)

DVC operates mainly in the Valley area ofDamodar River with the objective of promotion

and operation of schemes of the generation,transmission and distribution of energy, bothhydro-electric and thermal.

135 DWDefence Witness

A person who is cited by the Charged Officer toadduce evidence on his behalf.

136 DWDMDense Wavelength Division Multiplexing

A method of communication wherein variouscolour signals are multiplexed such that they cantravel on single pair of fiber carrying multiplechannels.

137 E&MElectro Mechanical

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138 EA, 2003The Electricity Act, 2003

Contains laws relating to the generation,

transmission, distribution, trading and use ofelectricity

139 ECCErection Conditions of Contract

A section of condition of contract for supply cumerection contract (Domestic) dealing with erection

activities.

140 ECMExecutive Committee Meeting

Meeting comprising Executive Director & abovelevel to deliberate the policy issues inPOWERGRID

141 EDExcise Duty

leviable on wide range of commodities classifiedunder the schedule to the central excise tariff act,1985. The basis of levy of such duties can bespecific, advalorem or fixed tariff value.

142 EFElectric Field

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143 EFCExpenditure Finance Committee

Forum which considers the project when its cost

is more than Rs. 25 Cr. & less than Rs. 200 Cr.&it is funded by multilateral agencies and furtherrecommends it to CCEA

144 EIBEuropean Investment Bank

The European Union's long term financing

institution

145 EIRREconomic Internal rate of Return

The EIRR is an indicator to measure theeconomic development/return on investment ofan income generation project

146 ELEvent Logger

Device for recording sequence of events duringtripping/ disturbance, installed at Substation

147 E-MailElectronic Mail

The internet equivalent of a letter postal service.

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148 EMCElectromagnetic Compatibility

Electromagnetic compatibility indicates that the

device is compatible with electromagneticenvironment

149 EMDEarnest Money Deposit

A form of bid security submitted along with thebid to protect the owner against the risk of

bidders conduct which would warrant theguarantee forfeiture

150 EMIElectromagnetic Interference

Phenomenon which cause electromagneticinterference in other devices in the vicinity

151 EoIExprerssion of Interest

Process of shortlisting of serious bidders forissuance of selection documents for appointmentof consultants

152

EPABXElectronic Private Automatic BranchExchange

A private exchange used for internalcommunications

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153 EPC ContractorErection, Procurement and ConstructionContractor

The entity appointed by the IPTC for erection,procurement/supply and construction of theProject.

154 EPMEngineering Project Management

Application software related to project

management

155 ESDDEquivalent Salt Deposit Density

A chemical method to determine amount ofpollution in insulator discs/ strings

156 ESPPEnvironment And Social Policy & Procedure

Policy/Procedure & guidelines formulated byPOWERGRID for management of Env. & Socialissues of POWERGRID projects activities

157 ETTE type tower


158 EWEarthwire

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159 EXIM PolicyExport-Import Policy

Policies framed by Dgovt. Of India regarding

export-import

160 EXW PriceEx-works, Ex-factory or Ex-warehouse Price

Price of an item at the time of dispatch fromfactory, warehouse or works.

161 FACTS DeviceFlexible AC Transmission System Device

Controllability, stability and power flow capability

162 FCFinancial Closure

Achieved when all the activitities related toproject implementation like funding tie-up,contract award etc. have been accomplished

163 FCForest Clearance

An approval accorded by Ministry of Environment

and Forest, GoI for diversion of forest areas fornon-forest purpose under the Forest (Conservation) Act, 1980.

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164 FDFinancing Document

The agreement signed between IPTC & Lenders,

pursuant to which the IPTC is to finance theproject, including without limiitation the Securitydocuments, Inter-Creditor Agreements, Co-ordinaton Agreements and any other AncillaryAgreements

165 FEARFinal Environment Assessment Report

166 FERVForeign Exchange Rate Variation

167 FFFrench Franks

Currency of France

168 FIRRFinancial Internal rate of Return

The FIRR is an indicator to measure the finalciafinancial return on investment of an incomegeneration project

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169 FLFault Locator

An electronic device which provide information on

location of fault in transmission line, installed atSubstation

170 FOFibre Optic

Fibres of glass, usually about 120 micrometres indiameter, which are used to carry signals in the

form of pulses of light over distances up to 50 kmwithout the need for repeaters

171 FOB PriceFree On Board Price

Price of item at the time when it is Boarded on aship.

172 FOREXForeign Exchange

173 FOR PriceFree on Rail Price

Price of item at the time when it is Boarded onRail.

174 FQPField Quality Plan

Quality Plan for field activities.

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175 FR-cum-DPRFeasibility Report -cum-Detailed ProjectReport

Report containing details like justification, scope,cost, schedule etc. of the transmission project.

176 FSFully Submerged

Type of Foundation

177 FSCFixed Series Compensation.

Reactive Power Compensation Device

178 FTPFile Transfer Protocol

Method for transferring files through internet.

179 FVIFrequency Variation Index

A performance index representing the degree offrequency variation

180 GBCCPPGas Based Combined Cycle Power Plant

A plant which can operate on Gas as well as onSteam

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181 GBSGross Budgtary Support

Cosists of Loans routed through GoI and

budgetary support.

182 GCGovernment Company

Shall have the meaning assigned to it in Section617 of the Companies Act, 1956.

183 GCBGlobal Competitive Biding

Bidding process in which domestic as well asforeign Bidders can bid for a project fundedunder domestic funding.

184 GCCGeneral Terms & Conditions of Contract

It specifies all the general terms & conditions fora said contract

185 GEBGujarat Electricity Board

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState of Gujarat

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186 GEDGoa Electricity Department


Transmission & Distribution of electricity in theState of Goa.

187 GGDCGrid-Grid Disturbance Constraints(attributable to system)

Power swings/ tripping due to Grid Disturbances/

Under frequency is landing tripping/ reversepower flow blocking related tripping/ Handtripping due to loss of voltage

188 GIFBGlobal Invitation for Bids

Global invitation for bids under domestic dunding.

189 GISGas Insulated Substation

A Substation where all equipments areencapsulated in SF6 gas enclosures

190 GLGround Level

191 GOFCGrid (ICT) Over Fluxing Constraint(attributable to system)

ICT tripping on over fluxing

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192 GoIGovernment of India

Indian Government

193 GOLCGrid (ICT) Over Loading Constraint(attributable to system)

ICT tripping on overloading/ over-current

194

GOMDGrid Outage Miscellaneous Deemed available

Unable to restore after outage (other than griddisturbance) , due to system constraints

195 GOVCGrid Over Voltage Constrain (attributable to

system)Feeder tripped on over voltage protection

196 GR waiverGuaranteed Receipts waiver

Letter issued by Bank for exporting withoutrealization of payments

197 GridGrid

The high voltage system of interconnectedtransmission lines, substations and generatingplants.

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198 GSGrid Standard

Grid Standards for operation and maintenace of

Transmission lines, specified by CEA.

199 GSGalvanised Steel

Steel covered with metal by the use of a galvaniccurrent or coating of iron with zinc to protect itfrom rusting.

200 HBAHouse Building Advance

House Building Advance

201 HC

High CourtHighest Court in a State

202 HFLHighest Flood Level

Highest flood level.

203 HPSEBHimachal Pradesh State Electricity Board

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState of Himachal Pradesh.

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204 HRHard Rock

Type of Foundation

205 HTHigh Tensile Steel

High tensile steel have tensile strength of morethan twice that of mild steel.

206

HTMLHyper-Text Markup Language

The programming language used for web pages,in the internet.

207 HTTPHyper-Text Transfer Protocol

The way web pages are transferred over theinternet.

208 HTTPSHyper-Text Transfer Protocol Secure

The protocol through which way secure webpages are transferred.

209 HVDCHigh Voltage Direct Curent

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210 HVPNLHaryana Vidyut Prasaran Nigam Limited

A company engaged in transmission &

distribution of electricity in the State of Haryana.

211 IAInter Locutory Application

Interim Application filed for any relief in a pendingproceeding.

212 IAImplementation Agreement

An agreement entered between POWERGRIDand IPTC/JV Company for the constructionphases of the project.

213 IAInquiry Authority

One who is formally eppointed by the DisciplinaryAuthority for conducting an oral inquiries againstthe employee who has been issued MajorPenalty Charges Sheet.

214 IACInternational Aided Component Foreign

Funding Component provided ny multilateralfunding Agency.

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215 IBRDInternational Bank for Reconstruction andDevelopment

This organisation of The World Bank provide low-interest loans, interest-free credit, and grants todeveloping countries.

216 IBWLIndian Board of Wild Life

A high power committee under the chairmanship

of Hon’ble Prime Minister and comprising ofHon’ble Minister of Env. & Forest NGO wild lifeexperts which look after conservation of wild lifein INDIA as well as consider developmentalactivities in sanctuary/national park.

217 ICBInternational Competitive Bidding

Bidding process in which domestic as well asforeign Bidders can bid for a project funded bymultilaterial funding agencies.

218 ICDInland Container Depot

Dry ports such as Inland Container Depot

Tuglakabad which acts as custom house

219 ICRAInvestment information & credit RatingAgency

An independent & professional companyproviding investment information and credit ratingservices.

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220 ICSInventory Control System

System for effective Inventory control

221 ICTInter Connecting Transformer

Auto transformers used in grid stations for interconnecting different voltages

222

IDAIndustrial Dispute Act

Industrial Dispute Act

223 IDAInternational Development Association

IDA helps the world's poorest countries reduce

poverty by providing "credits," which are loans atzero interest with a 10-year grace period andmaturities of 35 to 40 years.

224 IDCInterest During Construction

225 IEIntensive Examination

To inspect the construction Project in detail.

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226 IEARInitial Environment Assessment Report

227 IE RulesIndian Electricity Rules

228 IEBR

Internal & External Budgetary ResourcesIt comprise Internal Resources, Foreign loan &Domestic loans, which are directly given totheorganization.

229 IEEInstitution of Electrical Engineers

IEE is an innovative International Organisation foElectronics, Electrical, Manufacturing and ITprofessionals, with specifically tailored products,services and qualifications to meet the needs oftoday's technology industry.

230 IEEEInstitute of Electrical and Electronics

Engineers

Technical objectives center on advancing thetheory and practice of Electrical, Electronics &Computer Engineering and Science.

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231 IEEMAIndian Electrical and ElectronicsManufacturers’ Association

Promotes and protects interests of the Indiancompanies active in the area of electricalbusiness and is recognized as theirrepresentative organization.

232 IEGCIndian Electricity Grid Code

The Grid Code specified by CERC under clause(h) of sub-section (1) of Section 79, Electricty Act2003.

233 IFBInvitation for Bids

Notice published in the News papers, tradejournals and in web sites inviting bids (Multilateral

Funding).

234 IFCInternational Finance Crporation

Estabished in 1956, IFC is the largest multilateralsource of loan & equity financing for privatesector projects in the developing world.

235 IFTInter Facial Tension

Interfacial tension between the water and oilinterface is the way to measure molecularattractive force between the molecules of waterand oil. It is expressed in Dynes/cm or milliNewton/m. A measure of transformer oil quality.

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236 ILDSInternational long distance services

Telecom Services provided for International calls

237 ILLInter Library loan

Interlibrary loan is a mechanism for differentlibraries to share materials.

238

ILMOCIndexed Local Operation and MaintenanceCharge

One of the component of the transmissionservice charge quoted in Local currency eligiblefor indexaion to cover expenditure incurred inIndian Rupees during "Operation & Maintenace"phase of the transmission project.

239 IMAPInternet Message Account Protocol

A protocol facilitating viewing e-mail on the server

240 IMSInspection Management System

System for effective Inspection

241 INBInstructions to Bidders

Section of bidding documents whereininstructions on how to bid is indicated (Domesticfunding).

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242 ITBInstructions to Bidders

Section of bidding documents wherein

instructions on how to bid is indicated(Multilateral funding).

243 INRIndian Rupees

Currency of India

244 INVInvitation to Bid

Notice published in the News papers, tradejournals and in web site inviting tenders.

245 INVAR

Invariable to temperatureType of Conductor for high temp. operation

246 IOInvestigation Officer

An Officer who investigates the case

247 IOTLInsulating Oil Testing Laboratory

POWERGRID oil testing laboratory at Durgapur,Ballabhgarh & Hyderabad

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248 IP-IIInfrastructure Provider-II

A license issued by Govt. of India to operators

who want to become NLD operators

249 IPTCIndependent Private Transmission Company

A 100% owned Private Entity to infuse privatefunds in transmission projects and a successorentity of the Shell Company created by

POWERGRID that will execute the projectagreements with POWERGRID forimplementation of the project.

250 IRIndustrial Relation

251 IRInternal Resouces

Money generated through transmission tariff afterdeducting expenses

252 IRInsulation Resistance

Direct Current resistance of insulation measuredby application of Direct current Voltage usingInsulation testers (Megger)

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253 ISInternet / Intranet Server

Internet / Intranet Server

254 ISBNInternational Standard Book Number

A unique 10 digit code assigned to a specificedition of a book before it is published

255

ISGSInter State Generating Station

A central/Mega Power Proect/other generatiangstation in which two or more than two states havea share and whose scheduling is to becoordinated by the RLDC

256 ISPInternet Service Provider

A company who provide a communication link tothe internet.

257 ISTSInter state transmission system

Any system for the conveyance of energy bymeans of a main transmission line from theterritory of one state to another state

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258 JBICJapan Bank for International Cooperation

International Financial Operations contribute to

the promotion of Japanese exports and imports,as well as Japanese economic activitiesoverseas.

259 JSEBJharkhand State Electricity Board


Transmission & Distribution of electricity in theState of Jharkhand

260 JPYJapanese yen

Currency of Japan

261 JVJoint Venture

It is the agreement between two or morecompanies for a specific purpose

262 JVCJoint Venture Company

It is the company formed as a Joint Venture forany specific purpose

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263 JVVNLJaipur Vidyut Vitaran Nigam Ltd.

A Distribution Company created with the principal

objective of distribution and supply of electricity inRajasthan

264 kNKilo Newton

Metric Unit for Force.

265 KPTCLKarnataka Power Transmission CorporationLtd.

A company engaged in tranmission of electricityin the State of Karnataka

266

KSEB Kerala State Electricity Board

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState of Kerala

267 LALightning Arrestor

Also called Surge Arresters, provided tosafeguard switchyard equipment from lightningover voltages

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268 LAR-TLine Auto Re-closure-POWERGRID

Line Auto Re-closure due to earth faults,

attributable to POWERGRID

269 LBBLocal Breaker Backup

Protection relays provided to isolate fault bytripping fault feeding sources in case of failure ofcircuit breaker

270 LCLetter of Credit

A document issued by a bank which guaranteesthe payment of a customer's drafts for a specifiedperiod and up to a specified amount

271 LCSDLine Construction of new System Deemedavailable

Line shutdown taken to facilitate constructionactivities of new system being executed byPOWERGRID

272

LDLiquidated Damages

An amount to be paid by the contractor if fails tosuccessfully complete the work within the timefixed under the contract (indicated as apercentage of contract price for each work’sdelay).

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273 LDAPLightweight Directory Access Protocol

Way to access online services.

274 LDCALong Distance Charging Area

275 LE

Leg ExtensionType of Extension to Tower

276 LEF-TLine Earth Fault POWERGRID

Line Earth Fault attributable to POWERGRID

277 LHW-TLine Hard Ware fault POWERGRID

Faults due to snapping of conductors, earth wire,jumper, insulator failure, failure of tower due todesign & material deficiency etc. attributable toPOWERGRID

278 LILightning Impulse

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279 LIBORLondon Inter-Bank Offer Rate

The interest rate that the largest international

banks charge each other for loans (usually inEurodollars).

280 LLLeased Line

Dedicated link availed for transfer of datas etc.

281 LLJLabour Law Journal

Name of Journal reporting cases pertaining toLabour and Industrial Disputes

282 LMAC

Line Miscreants Activity ConstraintsLine breakdown caused by miscreants / militantactivities

283 LME IndicesLondon Metal Exchange Indices

Indices for metals used for the purpose of price

variations.

284 LMULine Matching Unit

To match the impedance of the line with thecarrier terminal equipment

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285 LNCCLine Natural Calamity Constraints

Line outage due to natural calamities

286 LOALetter of Award

Contract award letter issued to successful bidderfor executing specified works as per the terms &conditions mentioned therein

287 LPALetter Patent Appeal

Appeal against Single Bench Order of HighCourt to other Judge

288 LPP-T

Line Phase to Phase fault POWERGRIDPhase to phase faults, double line to earth faults,3-ph and 3-ph earth faults, but not due to powerswings attributable to POWERGRID

289 LPRDLine Power Regulation Deemed available

Line hand tripped for power regulation on RLDCinstruction

290 LTELimited Tender Enquiry

A mode of tendering under which bids are invitedfrom a selected number of bidders who arequalified.

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291 LVRDLine Voltage Regulation Deemed available

Line hand tripped for voltage regulation on

Regional Load Despatch Centre instruction

292 MAWB/HAWBMaster/House Airway Bill

Documents issued by Airlines for transportationof goods

293 MBDMachinery Break-down Policy

Insurance policy for equipments failure

294 MCMManagement Committee Meeting

Meeting comprising Group heads/Departmentheads & above level

295 MESEBMeghalaya State Electricity Board


State of Meghalaya

296 MIMEMulti-Purpose Internet Mail Extentions

Standard for transferring different file types.

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297 MNWMaster Net Work

Plan of activities for project implementation

298 MODEMModulation-Demodulation

Device to convert signals for transfer over phonelines.

299

MOMMotor Operated Mechanism

Electrical operating mechanism provided inswitchyard especially for Isolators operations

300 MoPMinistry of Power

Administrative/Line Ministry for POWERGRID

301 MoUMemorandum of Understanding

It is the agreement signed between two agencies

302

MPSEBMadhya Pradesh State Electricity Board

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState of Madhya Pradesh

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303 MPPMega Power Project

A generating station with an installed acpacity of

1000 MW (for Thermal) & 500 MW (for Hydro)and having two or more states as beneficiary.

304 MREMarket Rate of Exchange

Currency exchange rate

305 MRNMaterial Return Note

Document by which mateial is returned to store

306 MRTBMetallic Return Transfer Breaker

A Circuit Breaker provided to transfer groundreturn to metallic return when one pole is undershut down in bi-pole HVDC stations

307 MSMail Server

Server exclusivelly used for mails in a local area

network

308 MSMild Steel

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309 MSEBManipur State Electricity Board


Transmission & Distribution of electricity in theState of Manipur.

310 MSEBMaharashtra State Electricity Board


State of Maharashtra.

311 MTBFMean Time Between Failure

Average time for which a component workswithout a failure.

312 MTNMaterial Transfer Note

Note vide which transfer of material takes placefrom one region to other

313 MTRMid Term Review

Done by the World Bank to review the progressof projects covered under its loan in the middle ofongoing loan

314 MVAMega Volt Ampere

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315 MVARMega Volt Ampere Reactive

316 NBSNet Budgtary Support

Net Budegtary Support provided by GoI.

317 NCC

Network Control CentreA centralised network diagnostic andmanagement station or site.

318 NDOPNagaland Department of Power


Transmission & Distribution of electricity in theState of Nagaland

319 NEEPCONorth Eastern Electric PowerCorporation(NEEPCO)

A wholly owned Government of India Enterprise

to exploit, utilize and develop the inherent powergeneration capability of the North East for thebenefit of the Region and the country at large.

320 NEPNational Electricity Plan

As provided in Electricity Act, 2003.

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321 NFCRCNon-Indexed Foreign Capital Recovery Charg

One of the component ofteh "Transmission

Service Charge" quoted in Foreign Currency forrecovery of the Capital expenditure incurred up tocommissioning for construction phase of thetransmission project with no indexation.

322 NFOMCNon-Indexed Foreign Opeartion &Maintenance Charge

One of the component of the TransmissionService Charge quoted in Foreign Currency (FC)with no indexation to cover expenditure incurredin FC during "Operation & Maintenance" phase ofthe transmission project.

323 NHPC

National Hydroelectric Power Corporation Ltd.A Central Government Enterprise for HydroPower Development in Central Sector. It is thelargest organization for Hydropower Developmentin India.

324 NITNotice Inviting Tenders

Notice published in the News papers, tradejournals and in web site inviting tenders

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325 NJPCLNathpa Jhakri Power Corporation Ltd.

Formed to plan, investigate, organize execute,

operate and maintain hydro electric power projectin the Satluj river basin in the State of HimachalPradesh.

326 NLCNeyveli Lignite Corporation Limited

A wholly-owned Central Government Company

primarily engaged in the exploitation of lignitedeposits and generation of Lignite-based powerin Tamil Nadu.

327 NLDCNational Load Despatch Centre

Being created to have overall supervision &control over RLDCs

328 NLDONational Long Distance Operations

Telecom company providing services for longdistances.

329

NMSNetwork Management System

A comprehensive system of equipment used tomonitor, control, and manage a communicationnetwork.

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330 NNTPNetwork News Transfer Protocol

The way news messages are sent over the

internet.

331 NOANotification of Award

Letter issued containing main features of thecontract (especially in case of foreigin funding)

332 NOCNo Objection Certificate

document indicating nothing is outstandingagainst an employee

333 NPC

Nuclear Power Corporation of IndiaA wholly owned Enterprise of the Govt of Indiaunder the administrative control of theDepartment of Atomic Energy (DAE), Govt ofIndia for operation and maintenance of theAtomic Power Stations for Generation ofElectricity

334

NRTPNorthern Region Transmission Project

Loan given by WB to POWERGRID, which hasbeen closed in Sept., 2000 (Loan no. 3237-IN)

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335 NRVNon-Return Valve

A valve designed to allow the flow only on one

direction

336 NSNetwork Management Server

Server for Network Management

337

NTNormal Tower

338 NTPCNational Thermal Power Corporation Limited

A public sector company primarily owned by GoI.

Primarily engaed in thermal power generation inIndia.

339 NYTNot Yet Published

Pre-publication bibilographic information aboutbooks/journals through brochures and e-media.

340 OBDOpening of Bid Documents

The date on which bids are publicly opened for apackage.

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341 OCCOperation co-ordination committee

A committee of REB with members from all the

constituents which decides the operation aspectsof the regional grid.

342 ODCOver Dimensional Cargo

343 OHPCOrissa Hydro Power Corporation

A company engaged in Generation of electricityin the State of Orissa.

344 OIP

Oil Impregnated PaperUsed as insulator inside OIP transformerbushings

345 OLTCOn Load Tap Changer

Provided in Transformers to regulate voltage

when transformer is in service

346 OMPOriginal Miscellaneous Petition

Petition filed for challenging an Order in originaljurisdiction.

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347 OMS-TOutage Miscellaneous Shutdown -POWERGRID

Miscellaneous outages attributable toPOWERGRID

348 OMS-UOutage Miscellaneous Shutdown- Utilities

Miscellaneous attributable to other agency orforce majeure condition

349 OPACOnline Public Access Catalogue

An electronic catalog containing records for eachitem in the library: books, magazines, journals,standard, etc. The Catalog canbe searched byfields such as author, title, subject, standard no.etc.

350 OPGWOptical Ground Wire

Type of cable in which optical fribers areembedded inside the earth wire. These cableperform the dual function of signal earth path forPOWER SYSTEM and communication signal

carrying media through fiber.

351 OSFDOutage Shutdown Forced Deemed available(attributable to other Utilities)

Forced shutdown availed by other agency / agencies causing outage of POWERGRIDelement

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352 OSF-TOutage Shutdown Forced (attributable toPOWERGRID)

Forced shutdown (e.g. Earthwire snapping / hotspot) attributable to POWERGRID

353 OSPDOutage Shutdown Planned Deemed available

Planned shutdown availed by other agency / agencies for maintenance or construction of their

transmission system causing outage ofPOWERGRID element

354 OSP-TOutage Shutdown Planned POWERGRID

Planned shutdown for maintenance work ofPOWERGRID elements attributable toPOWERGRID

355 OSROil Surge Relay

Protection relay used in On Load Tap Changer oftransformer

356

OTIOil Temperature Indicator

Measures transformer/ reactor oil temperature forindication and to give alarm/ trip at preset values

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357 PADProject Appraisal Document

Document prepared by the multilateral funding

agency for appraisal of the projects coveredunder the loan.

358 PAMDProject Appraisal Management Division

A division of Planning Commission associatedwith Project Appaisal.

359 PAPs/PAFsProject affected persons/Project affectedfamilies

Affected persons/affected families due toacquisition of land for sub station

360 PC ActPrevention of Corruption Act. 1998

An Act passed by the Parliament to deal withcrimes related to corruption.

361 PCRProject Completion Report

Prepared after the loan closing date giving statusof all the projects covered under the loan

362 PDPartial Discharge

Electrical discharge due to poor insulation

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363 PDD, JKPower Development Department, Jammu &Kashmir.

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState of Jammu & Kashmir.

364 PEPreliminary Enquiry

Preliminary verification conducted by Control

Bureau of Investigation before Registration ofFirst Information Report.

365 PEDPondicherry Electricity Department

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState of Pondicherry

366 PFAProvident Fund Act

367 PFCPower Finance Corporation

Established in July 1986 as a DevelopmentFinancial Institution (FI) dedicated to the PowerSector wholly owned by Government of India.

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368 PIBPublic Investment Board

Forum which considers the project when for

Investment Approval its cost is more than Rs.200 Cr. Involving funding.

369 PICCPaper Insulated Copper Conductor

Paper insulated conductor coils used inmanufacturing of transformers

370 PIPProject Implementation Plan

A formal document required for appraisal for theproject by multilateral funding agencies.

371 PIRPre Insertion Resistor

Used in Circuit Breaker and comes into operationat the time of charging the line/ transformer toreduce switching Over voltage

372 PLCCPower Line Carrier Communication

High frequency communication signals sentalong the power line used for protection andcommunication

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373 PLRPrime Lending Rate

The lowest rate which a bank is willing to lend to

its best customers

374 PMRProject Management Report

Quarterly Report sent to World Bank

375

POPurchase Order

Order placed on supplier for procurement ofmaterials

376 POPresenting Officer

One who present the case on behalf of theDisciplinary Authority before the Enquiry Authority

377 PODPower Oscillation Damping

An electronic devise used in Static VoltageAmpere Reative Compennsator (SVC) High

Voltage Direct Current to control SVC to reduceoscillation during power swing

378 PoPPoint of Presence

A bank of modems allowing connection to anInternet Service Provider.

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379 POPPost Office Protocol

Standard client/server protocol for receiving e-

mails

380 PORPermissive Over Reach

A type of inter-tripping scheme used in distanceprotection of Transmission line

381 POWERGRIDPower Grid Corporation of India Limited

Official abbrviation of Power Grid Corporation ofIndia Limited

382 POWERMAIL

POWERGRID EmailE-mail service provided in POWERGRID

383 PPPPoint to Point Protocol

The way computers can connect using modemsand phone lines.

384 PRDPressure Relief Device

Used in transformers/ reactors to vent outinternal pressure in case of internal fault

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385 Pre-PIBPre-Public Investment Board

Forum which considers the project when its cost

is more than Rs. 500 Cr. & further recommends itto PIB

386 PRMProject Review Meeting

Periodic meeting in which progress of variousprojects are discussed

387 PROMISEPOWERGRID Ranked and OptimisedManagement Information System

POWERGRID's Enterprise Resource Planningsystem

388 PRVPressure Relief Valve

Used in transformers/ reactors to vent outinternal pressure in case of internal fault

389 PSPartially Submerged

Type of Foundation

390 PSBPower Swing Blocking

Provided in line protections to block tripping oflines upto a pre set time when power swing in thesystem is detected

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391 PSDP-IPOWERGRID System Development project-I

Loan given by World Bank to POWERGRID,

which has been closed in Dec., 2000 (Loan no.3577-IN)

392 PSDP-IIPOWERGRID System Development project-II

Loan given by World Bank to POWERGRID,which shall be closed in June, 2006 (Loan no.

4603-IN)

393 PSEBPunjab State Electricity Board

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState of Punjab

394 PSLPrice Store Ledger

395 PTCPower Trading Corporation of India Limited

The leading provider of power trading services, isempowering India by trading power on asustained basis since FY 02 through purchasefrom power surplus utilities and sales to deficitones.

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396 PURPermissive Under Reach

A type of inter-tripping scheme used in distance

protection of Transmission line

397 PVPrice Variation

The variation in price of an equipment/materialdue to changes in the cost of labour and rawmaterials.

398 PWProsecution Witness

A person who is produced by the DisciplinaryAuthority to prove the Charges against theCharged Officer.

399 QAQuadruple Circuit ‘A’ Type Tower

Type of Suspension Tower with 4 circuits

400 QAPQuality Assurance plan

Quality Assurance Plan is intended to assure thatall steps of the project are monitored andensures proper user acceptance criteria for eachtype of testing.

401 QBQuadruple Circuit ‘B’ Type Tower

Type of Tension Tower with 4 circuits

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402 QCQuadruple Circuit C Type Tower


403 QDQuadruple Circuit D Type Tower


404 QPR

Quarterly Performance ReviewDone by the Ministry of Power to Review theprogress of ongoing projects

405 QRQualifying Requirements

Issued for the purpose of shortlisting possible

bidders indicating broad parameters forparticipation in the bidding process

406 QSQualification Statement

A written response of an applicant to and inaccordance with RfQ.

407 QuadQuadruple

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408 R&RResettlement & Rehabilitation

To compensates/or rehabilitate project affected

persons whose land acquired for POWERGRIDprojects/sub station

409 RAPRehabilitation Action plan

Study of social status of all familities who come inproject area and in surroundings and detailed

action plan for measures adopted to rehabilitatethem

410 RCRiver Crossing

411 RCERevised Cost Estimate

Prepared when expenditure incurred is approx.50% of approved cost or scope of the projectchanges

412 RCODRequired Commercial Operation Date

The date by which the lines are required to becommissioned.

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413 RDARegular Departmental Action

Initiation of Disciplinary Proceedings by issuing

Charge Sheet.

414 RERevised Estimate

415

REARegional Energy Accounting

A Regional Energy Account for the settlementand billing of "Capacity Charge", Energy Charge"for deviations from schedule and 'ReactiveEnergy Charge'

416 REBRegional Electricity Board

A board constituted by resolution of CentralGovernment for a specified region for facilitatingthe integrated operation of the power system inthat region

417 REFRestricted Earth Fault

A protection provided in Transformers/ reactorsto trip during internal fault

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418 REMTRAMReal Time Monitoring of Transmission linesfor Maintenance

Device mounted on transmission tower to provideinformation on climatic and other changingparameters

419 RfPRequest for Proposal

Document issued to the Qualified Applicants for

submission of Techno-commercial and PriceProposals.

420 RfQRequest for Qualification

Document for submission of Qualificationstatement for IPTC/JV route by an interestedentity.

421 RfSRequest for Selection

Document comprising terms & conditionsregarding Joint Venture partner for selection & itincludes Shareholders agreement,Implementation Agreement & Transmission

Service Agreement.

422 RHQRegional Head Quarter

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423 RIPResin Impregnated Paper

Used as insulator inside RIP transformer

bushings

424 RIVRadio Interference Voltage

425

RLReduced Level

426 RLAResidual Life Assessment

Special tests carried out on equipments to

determine the life left in the equipment

427 RLDCRegional Load Despatch Centre

428

RoEReturn on Equity

It is the returen on investment made

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429 RoNWReturn on Net Worth

RONW is the ratio of net profit & net worth

(assets-liabilities)

430 ROWRight of Way

431

RPCReactive Power Control

A feature of High Voltage Direct Current toabsorb/ deliver reactive power

432 RRVUNLRajasthan Rajya Vidyut Utpadan Nigam Ltd.

A Generation Company which owns and operatethe thermal power stations at Kota andSuratgarh, Gas based power station at Ramgarh,Hydel power station at Mahi and mini hydelstations in the State of Rajasthan.

433 RTDResistance Temperature Detector

Resistance based thermometer for measurementof temperature

434 RTLRegional Testing Laboratory

POWERGRID Testing laboratory for conditionmonitoring testing at Regional level

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435 RVMRecovery Voltage Measurement

Condition monitoring test to identify moisture

content in paper insulation

436 S/CSingle Circuit

437

SADSpecial Additional Duty

duty levied on imported goods in lieu of salestax,local tax etc

438 SAMPSocial Assessment Management Plan

Outage due to operation of Bus-bar protection,attributable to POWERGRID.

439 SBB-TSubstation Bus Bar fault POWERGRID

Outage due to operation of Bus-bar protection,attributable to other utilities

440 SBB-USubstation Bus Bar fault (attributable to otherUtilities)

Bus-bar protection operation attributable to otherUtilities

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441 SBCSafe Bearing Capacity

Bearing capacity of soil

442 SBDStandard Bidding Documents

Bidding documents which have beenstandardized to ensure uniformity for variouspackages and under various funding.

443 SCSupreme Court

Apex Court of the Country

444 SCShell Company

A project specific company (Special PurposeVehicle) registered under Companies act 1956 toexpedite initial developmental activities. Suchcompany shall be acquired by the selectedsponsor to become IPTC.

445 SCCSpecial Conditions of Contract

A part of bidding document which further givesspecific details in respect of certain clauses ongeneral condition of contract.

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446 SCCSupreme Court Cases

Name of jourrnal Reporting decided cases by

Supreme Court

447 SCOPEStanding Conference on Public Enterprises

Deals with the matters related to MoU withvarious public undertakings

448 SCPSingle Curreny Pool

Allows borrowers to receive loans denominatedin one of four hard currencies ß U.S. dollars,Swiss francs, Japanese yen, or Deutsche marks

449 SCSDSubstation Construction of new SystemDeemed available

Substation equipment shutdown taken tofacilitate construction activities of new systembeing executed by POWERGRID

450 SDHSynchronour Digital Hierarchy

Transmission in which data characters and bitsare transmitted at a fixed rate with the transmitterand receiver synchronised, eliminating the needfor start-stop elements. Wherein variouscontainers are packed in a hierachical mannerand each virtual container can be addresseduniquely and can be dropped and added fromany level of signal.

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451 SDOE, TripuraState Department of Electricity Tripura


Transmission & Distribution of electricity in theState

452 SEBsState Electricity Boards

Boards formed to look after generation,transmission & distribution of electrical energy in

respective States

453 SED, MizoramState Electricity Department, Mizoram

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState

454 SEF-TSubstation Equipment Failure POWERGRID

Equipment failure attributable to POWERGRID

455 SEF-USubstation Equipment Failure Utilities

Equipment failure attributable to other Utilities

456 SEKSwedish krona

Currency of Sweden

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457 SEMSpecial Energy Meter

Energy Meter which records data at every 15

minutes interval as per requirement of AvailabilityBased Tariff.

458 SEM-TSubstation Equipment Maloperation(attributable to POWERGRID)

Equipment Maloperation attributable to

POWERGRID

459 SEM-USubstation Equipment Maloperation(attributable to other Utilities)

Equipment Mal-operation attributable to otherUtilities

460 SERSequence Event Recorder

Records sequence of events during tripping/ disturbance

461 SESSocio-Economic Survey

Door to Door social survey of Project AffecetdPersons/Project Affected Families includingsurrounding villages for their social and economicbackground/conditions. This is being done by3rd party where PAFs are more than 40.

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462 SF6Sulfur Hexa Fluoride

An insulating gas used in Circuit Breakers/ Gas

insulated Switch gears

463 SFCStanding Finance Committee

The project approving authority when project costis more than Rs. 5 Cr. &less than Rs. 25 Cr. & itis funded by multilateral agencies

464 SFRSubmerged Fissured Rock

Type of Foundation

465 SGI

Solicitor General of IndiaAdvocate appointed for representing the UnionGovt before the Court.

466 SGMLStandardised General Markup Language

A programming language for web pages.

467 SHAShare-holer Agreement

Tripartie agreement among Joint Venturepartners & Joint Venture Company regardingobligation & responsibilities of Shareholders

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468 SISingle Suspension


469 SIC-TSubstation ICT fault (attributable toPOWERGRID)

Various types of faults on interconnectingtransformer, attributable to POWERGRID.

470 SIC-USubstation ICT fault (attributable to otherUtilities)

Various types of faults interconnectingtransformer, attributable to other utilities.

471

SIL Surge Impedance Loading

Surge Impedance Loading is the power deliveredto the surge impedance (characteristicimpedance) under nominal voltage condition.

472 SISSelf Insurance Scheme

Insurace scheme devised by POWERGRID forinsuring its assets.

473 SIVStores Issue Voucher

Form which is used for issuing materials fromstores

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474 SLDSingle line Diagram

Schematic representation of the High

Voltage/Extra High Voltage apparatus and theconnections to all external circuits at aconnection point incorporating its numberingnomenclature and labeling

475 SLPSpecial Leave Petition

Special Leave to Appeal by the Supreme Court

476 SMACSubstation Miscreants Activity Constraints

Substation equipments failure caused bymiscreants / militant activities

477 SMTPSimple Mail Transport Protocol

The Protocol through whcih outgoing mail is sentover the internet.

478 SNCCSubstation Natural Calamity Constraints

Substation equipment outage due to naturalcalamities

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479 SOTFSwitch On To Fault

Feature in line protection to trip the line

immediately when line breaker is closed beforeclearance of fault/ earth switches not removed

480 SPDSikkim Power Department


State of Sikkim.

481 SPL-TSubstation PLCC maloperation POWERGRID

Line tripped due to Power Line CarroerCommunication mal-operation attributable toPOWERGRID

482 SPLUSubstation PLCC maloperation Utilities

Line tripped due to PLCC mal-operation of otheragency

483 SponsorSponsor

Bidder that submits a proposal and is selected byPOWERGRID as the winning Bidder to acquirethe projetc specific shell company.

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484 SPRDSubstation (Transformer) Power RegulationDeemed available

Transformer hand tripped for power regulation onRegional Load Despatch Centre instruction

485 SPSSuspected Public Servant

A public Servant who is under investigation byVigilance.

486 SPTStandard Penetration Test

Test for soil condition

487 SPV

Special Purpose VehicleMechanism formed for any specific venture

488 SRE-TSubstation Reactor fault POWERGRID

Outages due to opeartion of reactor differential,REF, Backup impedance, Buchholz protection

including Neutral Groung Reactor protectionswith respect to shunt reactors attributable toPOWERGRID

489 SRE-USubstation Reactor fault utilities.

As above, attributable to other utilities.

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490 SRM-TSubstation Relay Maloperation POWERGRID

Relay Maloperation attributable to POWERGRID

491 SRM-USubstation Relay Maloperation Utilities

Relay Mal-operation attributable to other Utilities

492 SRV

Store Receipt Voucher

493 SSSystem Server

Server which manages the requisites of anetworked environment

494 SSID committeeScrap & Surplus Identification and Disposalcommittee

the committee constituted to identify the scrap &surplus material at various sites for disposal

495 STSales Tax

Tax levied and collected at the point of sale ofgoods

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496 STSingle Tension


497 STLSpecialized Testing Laboratory

POWERGRID laboratory for special conditionmonitoring testing of switchyard equipment.

498

STSSynchronous Transmission System

Transmission in which data characters and bitsare transmitted at a fixed rate with the transmitterand receiver synchronised, eliminating the needfor start-stop elements

499 SVCStatic Voltage Ampere Reactive Compensator

A shunt device to provide reactive and capacitivepower support to grid to control system voltage

500 SVRDSubstation (Bus Reactor) Voltage RegulationDeemed available

Bus reactor hand tripped for voltage regulation onRegional Load Despatch Centre instruction

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501 TCTender Committee

A committee comprising representatives from

Contract, Finance and indenting deptt.,constituted for the purpose of evaluation of bidsfor a package.

502 TCCTechnical co-ordination committee

The committee set up by Regional Electricity

Boards to coordinate the technical andcommercial aspects of the operation of theregional grid.

503 TCP/IPTransmission Control Protocol / InternetProtocol.

A protocol suite enabling data communications

over a network / internet

504 TCSCThyristor Controlled Series Compensation

Reactive Power Compensating Device

505

TETechnical Examiner

An Officer from Xhief Technical Examiner wing ofCentral Vigilance Commission who inspects theTechnical works during execution.

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506 TFRTower Footing Resistance

507 THDCTehri Hydro Development CorporationLtd.(THDC)

A joint venture company between Govt. of India &Govt. of UP/Uttaranchal for harnessing thehydropotential for generation of elctricity in Tehri

Region.

508 TLTranmission Line

509

TMN Telecommunication Management Network

A comprehensive system of equipment used tomonitor, control, and manage a communicationnetwork.

510 TNEBTamil Nadu Electricity Board

State Electricity Utility engaged in Generation,Transmission & Distribution of electricity in theState of Tamil Nadu.

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511 TPATri-partite Agreement

It is the agreement between Govt. of India,

Reserve Bank of India and POWERGRID forsecuritisation of outstanding dues

512 TPRMTri-partite Review Meeting

Meeting taken by Asian Development Bank twicein a year in association with Ministry of Finance

to assess the loan utilisation, disbursement,project progress etc.

513 Transmission LicTransmission Licensee

Licensee authorised to establish or operatetransmission line

514 TSTechnical Specifications

Provided in the bidding document stating thetechnical specifications of the work

515 TSTerminal Server

Server which provides application and fileservices for the terminal users

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516 TSATransmission Service Agreement

The agreement to be entered between

POWERGRID and JV company/IPTC pursuant towhich JV/IPTC shall maintain and repair theproject as well as make available the entireprojtect to POWERGRID on a commercial basisduring operation pahse of the project.

517 TSETime Synchronizing Equipment

An equipment used for synchronizing local timewith respect to the time signal received fromsatellite

518 TSEBTripura State Electricity Board


Transmission & Distribution of electricity in theState of Tripura.

519 TPCLTata Power Company Ltd.

India's largest private sector power utility with2300 MW Capacity operating in Mumbai,

Jharkand and Karnataka, providing high qualityPower Supply.

520 TVITelevision Interference

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521 UCUtilization Certificate

Certificate issued by the Head of the project

regarding utilization of the imported goods

522 UCPTTUniform Common Pool Transmission Tariff

It is the transmission tariff fixed by GoI for NorthEast Region Constituents

523 UDSUndisturbed Sample

Sampling of soil

524 UFRUnder Frequency Relay

Relay used to trip a distribution feeder on lowfrequency

525 UIUnscheduled interchange

Deviation from the scheduled interchange ofPower allocated by Regional Load Despatch

Centre on day to day basis requirement

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526 ULDCUnified Load Despatch & CommunicationScheme

Scheme for optimal utilization of generation andtransmission resources, better Supervision,monitoring and control of power system on real-time basis

527 UMCSUnified Materials Codification System

Document covering codification system concept,make,location and unit code.

528 UPCLUttaranchal Power Corporation Ltd.

A company engaged in transmission &distribution of electricity in the State of Uttaranch

529 UPPCLUttar Pradesh Power Corporation Ltd.

A company engaged in tranmission & distributionof electricity in the State of Uttar Pradesh

530 URLUniversal Resource Locator

Location of file on the internet.

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531 USAIDThe United States Agency for InternationalDevelopment

USAID is the government agency providing USeconomic and humanitarian assistance worldwide

532 USD (US$)United States Dollar

Currency of the United States

533 VARVoltage Ampere Reactive

534 VASValue Added Services

Additional services without any extra costimplication

535 VCVirtual Circuit

A communication arrangement in which datafrom a source user may be transferred to a

destination user over various real curcitconfigurations during a single poeriod ofcommunication.

536 VTVoltage Transformer

Instrument transformer in switchyard to measureVoltage

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537 W S/DWithout Shut Down

Maintenance activities to be carried out with out

affecting normal operation of the equipment

538 WAPWireless Application Protocol

The protocol through which institutionway data issend to third generation wireless applicationprotocol mobile phones.

539 WAPPWorks and Procurement Policy andProcedures.

Manuals containing details of Procurement Policy& Procedures.

540 WBThe World Bank

World's largest financial providing financialassistance primarily to developing nations

541 WEIWeak End Infeed

Feature in line protection to trip the line on bothend even in case of radial feeding/ low infeed offault current

542 WFRWet Fissured Rock

Type of Foundation

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543 WMLWireless Markup Language

The language for wireless application protocol

mobile phone programs.

544 WPIIndian Whole Sale Price Index

The "All Indian Wholesale Price Index" aspublished monthly in the Index Number ofwholesale Prices and Consumer Prices by the

Centre for monitoring the Indian Economy for theavailable calendar year.

545 WTWave Trap

Used to filter out power line carrirercommunication signals traveling in transmissionlines at entry of Substation

546 WTIWinding Temperature Indicator

Measures transformer/ reactor windingtemperature for indication and to give alarm/ tripat preset values

547 WWWWorld Wide Web

The graphical information portion of the internet.

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548 WZWind Zone